From 860f6e42ea4e80da6afb405588d635bf281eafa5 Mon Sep 17 00:00:00 2001
From: "K.Kosako" <kosako@sofnec.co.jp>
Date: Tue, 9 Oct 2018 14:33:19 +0900
Subject: [PATCH] don't execute CASE_OP(FAIL) for failed case (label-fail)

---
 src/regexec.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/regexec.c b/src/regexec.c
index 0d06603..757f6a2 100644
--- a/src/regexec.c
+++ b/src/regexec.c
@@ -3944,10 +3944,17 @@ match_at(regex_t* reg, const UChar* str, const UChar* end,
       goto finish;
       NEXT_OP;
 
+#ifdef ONIG_DEBUG_STATISTICS
     fail:
       SOP_OUT;
-      /* fall */
+      goto fail2;
+#endif
     CASE_OP(FAIL)
+#ifdef ONIG_DEBUG_STATISTICS
+    fail2:
+#else
+    fail:
+#endif
       STACK_POP;
       p     = stk->u.state.pcode;
       s     = stk->u.state.pstr;
-- 
2.50.1